Compare the listed model data for Anthropic Claude Fable by Anthropic and Anthropic Claude Sonnet 4.6 by Anthropic. Benchmark and pricing records are not a controlled test and may change.
Data last updated: 2026-10-16. Verify current model details with each provider.
Anthropic Claude Fable: 200K tokens; Anthropic Claude Sonnet 4.6: 200K tokens. The listed context-window values are equal. Anthropic Claude Fable is listed for coding, reasoning, vision, multimodal input, agentic workflows, long-context tasks; Anthropic Claude Sonnet 4.6 is listed for coding, reasoning, vision, multimodal input, agentic workflows, long-context tasks. Shared catalog benchmark entries: MMLU: Anthropic Claude Fable 88.4%; Anthropic Claude Sonnet 4.6 88.7%; HumanEval: Anthropic Claude Fable 82.1%; Anthropic Claude Sonnet 4.6 85.4%. These records are reference data, not a controlled head-to-head test; verify current pricing and specifications with each provider.
Use these model and provider links to verify current specifications, pricing, and availability.
A cost example for 1M input plus 1M output tokens cannot be calculated reliably because separate numeric input and output rates are not listed for both models.
Choose Anthropic Claude Fable when your task aligns with catalog-listed uses or strengths such as Long-form fiction writing: novels, novellas, short stories, and serialized content, Screenwriting and script development for film, TV, and stage, World-building and lore creation for games, fantasy, and sci-fi universes, Marketing copy, brand storytelling, and persuasive content creation.
Choose Anthropic Claude Sonnet 4.6 when your task aligns with catalog-listed uses or strengths such as Everyday professional coding: code review, bug fixing, feature implementation, Business writing: reports, emails, proposals, and documentation at volume, Customer support automation requiring nuanced, accurate responses, Research summarization and information extraction from documents.
Anthropic's newest frontier model — The Narrative Architect & Reasoning Virtuoso. Expert at constructing meaning through narratives, causal chains, systems, and abstractions.
Parameters: ~100B+ (frontier class, exact size proprietary)
Context: 200K tokens
Catalog pricing: Via LITHOVEX AI free. Anthropic API rates apply.
Claude Sonnet 4.6 — Anthropic's fast, balanced model. High intelligence with low latency for everyday tasks and production use.
Parameters: ~70B (balanced tier, exact size proprietary)
Context: 200K tokens
Catalog pricing: Via LITHOVEX AI free. Anthropic API: mid-tier.
| Specification | Anthropic Claude Fable | Anthropic Claude Sonnet 4.6 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Parameters | ~100B+ (frontier class, exact size proprietary) | ~70B (balanced tier, exact size proprietary) |
| Context window | 200K tokens | 200K tokens |
| Maximum output | Not listed | Not listed |
| Catalog pricing | Via LITHOVEX AI free. Anthropic API rates apply. | Via LITHOVEX AI free. Anthropic API: mid-tier. |
| Listed input/output cost per 1M tokens | Separate numeric input/output rates not listed | input $3, output $15 per 1M tokens |
| License | Proprietary | Proprietary |
| Coding support | Listed | Listed |
| Reasoning support | Listed | Listed |
| Vision input | Listed | Listed |
| Multimodal | Listed | Listed |
| Open weights | No | No |
| Benchmark: MMLU | 88.4% | 88.7% |
| Benchmark: HumanEval | 82.1% | 85.4% |
Figures are transcribed from LITHOVEX model records. Benchmark versions and evaluation setups may differ; pricing and specifications can change. Check each provider's current documentation before making a decision.
Read the Anthropic Claude Fable model profile and Anthropic Claude Sonnet 4.6 model profile, or browse the model directory.